2001

2003

Doull Site Assessments Ltd. (DSA) is incorporated and continues to provide exceptional service to customers in Western Canada, while leading the industry in development of well integrity testing and monitoring practices.

2008

2009

DSA expands to Calgary, AB adding more permanent and seasonal staff across Alberta.

2010

DSA introduces the latest in gas migration testing innovation with their patent pending test method, providing regulators in Alberta and Saskatchewan access to the methodology. The new method improved on site efficiency by 100%, on average.

2012

DSA is consulted by regulators to aid in development of parameters and guidelines for testing abandoned wells in urban areas and near/under existing surface development.

2013

VentMeter™ fleet doubles in size, and collectively the systems provide over 150,000 hours of surface casing monitoring data in the calendar year. DSA launches new system for field data collection and customer reporting. DSA purchases property in Lloydminster, AB for new facility.

2014

Ground is broken on construction of DSA facility at Lloydminster, AB. DSA expands to Edmonton, AB. DSA is selected by Apple Canada as a presenter at speaking engagements across Canada, highlighting field level technological advancements in industry. DSA is nominated by the University of Waterloo as a panelist at the Well Integrity Workshop hosted by the University of Pittsburgh.

DSA has grown to be the leader in well integrity testing services.

We have achieved this by never forgetting our grass roots principles while developing and refining methods that have changed the landscape of how testing, monitoring, and sampling are performed.